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EP 3 781 892 A1

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(43) Date of publication: 24.02.2021 Bulletin 2021/08 (21) Application number: 19802789.8 (22) Date of filing: 13.05.2019

(51) International Patent Classification (IPC):  F28F 27/00(2006.01) F04D 29/40(2006.01) F24D 19/10(2006.01) F24D 3/02(2006.01) (86) International application number: PCT/IB2019/053907 (87) International publication number: WO 2019/220297 (21.11.2019 Gazette 2019/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 14.05.2018 CZ 20182250 (71) Applicant: Ceske vysoke uceni technicke v Praze 160 00 Praha 6 - Dejvice (CZ)	(72) Inventors: BÄUMELT, Tomas 54401 Lanzov (CZ) DOSTAL, Jiri 56501 Mostek (CZ) HAUSER, Jan 37802 Straz nad Nezarkou (CZ) KUBES, Jiri 56951 Morasice (CZ) VALTR, Jiri 17100 Praha 7, Troja (CZ) ZLEVOR, Ondrej 51101 Modrisice (CZ) (74) Representative: Kratochvil, Vaclav  Patent and Trademark Office P.O. Box 26 295 01 Mnichovo Hradiste 295 01 Mnichovo Hradiste (CZ)